Use an absolute path when referring to the embedded editline directory.

This patch changes the build system to refer to the embedded editline directory
using an absolute path, which will resolve a problem seen on the CentOS
automated build agents.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@370482 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/Makefile

@@ -146,7 +146,7 @@ testexpr2: ast_expr2f.c ast_expr2.c ast_expr2.h
 
 ifneq ($(LIBEDIT_INTERNAL),no)
 LIBEDIT_OBJ=editline/libedit.a
-LIBEDIT_INCLUDE=-Ieditline
+LIBEDIT_INCLUDE=-I$(ASTTOPDIR)/main/editline
 endif
 
 db.o: _ASTCFLAGS+=$(SQLITE3_INCLUDE)